Re: cbm 8032 motherboard + atx power supply

From: Didier Derny <didier_at_aida.org>
Date: Fri, 19 Aug 2016 15:57:17 +0200
Message-ID: <61667c08-2f8e-cbfc-da7e-e6805c629247@aida.org>
thanks for the information... it confirms what I was thinking about the 
removal of the regulators

for the -5v on the apple II connected to an atx power supplied

I produced it from -12v with a 7905...



On 19/08/2016 14:56, Christian Dirks wrote:
> Since the main part of the PSU is on the Mainboard, a simple adpater
> won't do the trick.
> At least the voltage regulators would have to be removed.
> The output lines of the the ATX PSU then would have to be connected
> where the output pins of the voltage regulators were removed.
> This all can be done by soldering an drilling (the voltage regulators
> are mounted with rivets).
> But there is another problem: Not all ATX PSUs deliver -5V.
> According to wikipedia, the -5V supply was dropped out of the ATX specs
> in 2005.
>
> Christian
>
> Am 19.08.2016 um 13:40 schrieb David Wood:
>> There's even an atx adapter available for apple II boards; I use one
>> with a pico-atx power supply.  Perhaps one could be conceived for the
>> PETs? :)
>>
>> On Fri, Aug 19, 2016 at 3:43 AM, Didier Derny <didier@aida.org
>> <mailto:didier@aida.org>> wrote:
>>
>>      Has anybody already tempted to power a commodore  8032 with an ATX
>>      power supply ?
>>      (feeding the tension directly to the motherboard)
>>
>>      I did it on an apple II it worked :)
>>
>>
>>
>>
>>
>>
>>            Message was sent through the cbm-hackers mailing list
>>
>>
>


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Received on 2016-08-19 14:00:03

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